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   <div id="projectname">EquTemper&#160;<span id="projectnumber">1.01</span></div>
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<div class="title">ETU_CreateIt.cc</div>  </div>
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<a href="_e_t_u___create_it_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ========================================================================= */</span>
<a name="l00002"></a>00002 <span class="comment">/* ------------------------------------------------------------------------- */</span><span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">/*!</span>
<a name="l00004"></a>00004 <span class="comment">  \file         ETU_CreateIt.cc</span>
<a name="l00005"></a>00005 <span class="comment">  \date         september 2011</span>
<a name="l00006"></a>00006 <span class="comment">  \author       TNick</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">  \brief        Contains the implementation for ETU_CreateIt class</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment">  Copyright (c) 2011, Nicu Tofan</span>
<a name="l00012"></a>00012 <span class="comment"> All rights reserved.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> Redistribution and use in source and binary forms, with or without</span>
<a name="l00015"></a>00015 <span class="comment"> modification, are permitted provided that the following conditions are met:</span>
<a name="l00016"></a>00016 <span class="comment"> * Redistributions of source code must retain the above copyright</span>
<a name="l00017"></a>00017 <span class="comment">   notice, this list of conditions and the following disclaimer.</span>
<a name="l00018"></a>00018 <span class="comment"> * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00019"></a>00019 <span class="comment">   notice, this list of conditions and the following disclaimer in the</span>
<a name="l00020"></a>00020 <span class="comment">   documentation and/or other materials provided with the distribution.</span>
<a name="l00021"></a>00021 <span class="comment"> * Neither the name of the copyright holder nor the</span>
<a name="l00022"></a>00022 <span class="comment">   names of its contributors may be used to endorse or promote products</span>
<a name="l00023"></a>00023 <span class="comment">   derived from this software without specific prior written permission.</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS &quot;AS IS&quot; AND</span>
<a name="l00026"></a>00026 <span class="comment"> ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00027"></a>00027 <span class="comment"> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span>
<a name="l00028"></a>00028 <span class="comment"> DISCLAIMED. IN NO EVENT SHALL NICU TOFAN BE LIABLE FOR ANY</span>
<a name="l00029"></a>00029 <span class="comment"> DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
<a name="l00030"></a>00030 <span class="comment"> (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00031"></a>00031 <span class="comment"> LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span>
<a name="l00032"></a>00032 <span class="comment"> ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00033"></a>00033 <span class="comment"> (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00034"></a>00034 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment">*/</span>
<a name="l00037"></a>00037 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00038"></a>00038 <span class="comment">/* ========================================================================= */</span>
<a name="l00039"></a>00039 <span class="comment">//</span>
<a name="l00040"></a>00040 <span class="comment">//</span>
<a name="l00041"></a>00041 <span class="comment">//</span>
<a name="l00042"></a>00042 <span class="comment">//</span>
<a name="l00043"></a>00043 <span class="comment">/*  INCLUDES    ------------------------------------------------------------ */</span>
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 <span class="preprocessor">#include    &lt;<a class="code" href="main_8h.html" title="Contains global definitions for application.">main.h</a>&gt;</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="preprocessor">#include    &lt;<a class="code" href="_e_t_sheet_view_8h.html" title="Contains the definition for ETSheetView class.">sheet/ETSheetView.h</a>&gt;</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include    &lt;<a class="code" href="_e_t_sheet_8h.html" title="Contains the definition for ETSheet class.">sheet/ETSheet.h</a>&gt;</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include    &lt;<a class="code" href="_e_t_i___cplx_txt_8h.html" title="Contains the definition for ETI_CplxTxt class.">sheet/ETI_CplxTxt.h</a>&gt;</span>
<a name="l00050"></a>00050 
<a name="l00051"></a>00051 <span class="preprocessor">#include    &lt;<a class="code" href="_e_t_undo_elem_8h.html" title="Contains the definition for ETUndoElem class.">sheet/ETUndoElem.h</a>&gt;</span>
<a name="l00052"></a>00052 
<a name="l00053"></a>00053 <span class="preprocessor">#include    &quot;<a class="code" href="_e_t_u___create_it_8h.html" title="Contains the definition for ETU_CreateIt class.">ETU_CreateIt.h</a>&quot;</span>
<a name="l00054"></a>00054 
<a name="l00055"></a>00055 <span class="comment">/*  INCLUDES    ============================================================ */</span>
<a name="l00056"></a>00056 <span class="comment">//</span>
<a name="l00057"></a>00057 <span class="comment">//</span>
<a name="l00058"></a>00058 <span class="comment">//</span>
<a name="l00059"></a>00059 <span class="comment">//</span>
<a name="l00060"></a>00060 <span class="comment">/*  CLASS    --------------------------------------------------------------- */</span>
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00063"></a><a class="code" href="class_e_t_u___create_it.html#a63450ba39ee902b1d26574278078b700">00063</a> <a class="code" href="class_e_t_u___create_it.html#a63450ba39ee902b1d26574278078b700" title="constructor">ETU_CreateIt::ETU_CreateIt</a>  (
<a name="l00064"></a>00064     <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09a" title="describes all possible types of undo elements">ETUndoElem::Type</a> el_ty, QGraphicsItem * it_to_handle )
<a name="l00065"></a>00065     : <a class="code" href="class_e_t_undo_elem.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETUndoElem</a> (el_ty)
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067     Q_ASSERT_X((
<a name="l00068"></a>00068                    (el_ty == <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aa0107b02bc06a57005759bddd04fd51aa">ETUndoElem::CREATE_ITEM</a>) |
<a name="l00069"></a>00069                    (el_ty == <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aad68a7c656c5db4b37dc20742fd2b471e">ETUndoElem::DELETE_ITEM</a>)),
<a name="l00070"></a>00070                <span class="stringliteral">&quot;ETU_CreateIt::ETU_CreateIt&quot;</span>,
<a name="l00071"></a>00071                <span class="stringliteral">&quot;Expected create / delete item type, ggot something else&quot;</span>);
<a name="l00072"></a>00072     <span class="keywordflow">if</span> (el_ty == <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aa0107b02bc06a57005759bddd04fd51aa">ETUndoElem::CREATE_ITEM</a>)
<a name="l00073"></a>00073         {
<a name="l00074"></a>00074             <a class="code" href="class_e_t_undo_elem.html#a739b6775ddeefb257133ea362615ebc0" title="mark the item to be in un-mirrored form">setUnMirrored</a>();
<a name="l00075"></a>00075             <a class="code" href="class_e_t_undo_elem.html#a62f8c0c7ce522bb21c65b5a29ed46662" title="set the description for this item">setDescription</a>(
<a name="l00076"></a>00076                         QString(
<a name="l00077"></a>00077                             <span class="stringliteral">&quot;Created item at (%1, %2)&quot;</span>
<a name="l00078"></a>00078                             )
<a name="l00079"></a>00079                         .arg(it_to_handle-&gt;x())
<a name="l00080"></a>00080                         .arg(it_to_handle-&gt;y()));
<a name="l00081"></a>00081         }
<a name="l00082"></a>00082     <span class="keywordflow">else</span>
<a name="l00083"></a>00083         {
<a name="l00084"></a>00084             <a class="code" href="class_e_t_undo_elem.html#a57ba162eb84c3949c66228525522d52b" title="mark the item to be in mirrored form">setMirrored</a>();
<a name="l00085"></a>00085             <a class="code" href="class_e_t_undo_elem.html#a62f8c0c7ce522bb21c65b5a29ed46662" title="set the description for this item">setDescription</a>(
<a name="l00086"></a>00086                         QString(
<a name="l00087"></a>00087                             <span class="stringliteral">&quot;Deleted item at (%1, %2)&quot;</span>
<a name="l00088"></a>00088                             )
<a name="l00089"></a>00089                         .arg(it_to_handle-&gt;x())
<a name="l00090"></a>00090                         .arg(it_to_handle-&gt;y()));
<a name="l00091"></a>00091         }
<a name="l00092"></a>00092     <a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a> = it_to_handle;
<a name="l00093"></a>00093     <a class="code" href="class_e_t_u___create_it.html#ac260deef23063b3ea3447c91eb44e79f" title="associated sheet where actions are performed">sheet</a> = <span class="keyword">static_cast&lt;</span><a class="code" href="class_e_t_sheet.html" title="Class representing logical root for all elements contained in a document (sheet)">ETSheet</a> *<span class="keyword">&gt;</span>(it_to_handle-&gt;scene());
<a name="l00094"></a>00094 
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="comment">/* ========================================================================= */</span>
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00099"></a><a class="code" href="class_e_t_u___create_it.html#a1148a7af3c17c471b96afc44bc548af6">00099</a> <a class="code" href="class_e_t_u___create_it.html#a1148a7af3c17c471b96afc44bc548af6" title="destructor">ETU_CreateIt::~ETU_CreateIt</a> ( <span class="keywordtype">void</span> )
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101     <span class="keywordflow">if</span> (<a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a> != <a class="code" href="aclass__ddhc_8cc.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00102"></a>00102         {
<a name="l00103"></a>00103             <span class="comment">/* the instance shall delete the object it handles if it has: */</span>
<a name="l00104"></a>00104             <span class="keywordflow">if</span> (<a class="code" href="class_e_t_u___create_it.html#a1554bc9f0dcf22c551445684aaeadcbc" title="tell if the item was created as a result of a create event or a delete">fromDelete</a>())
<a name="l00105"></a>00105                 {
<a name="l00106"></a>00106                     <span class="comment">/* - ETUndoElem::DELETE_ITEM type and expires in undo chain */</span>
<a name="l00107"></a>00107                     <span class="keywordflow">if</span> (<a class="code" href="class_e_t_undo_elem.html#ac212d9ce4e989e7ffcf9931c7006bbeb" title="tell if this item is ready to be undone">isUndoReady</a>())
<a name="l00108"></a>00108                         {
<a name="l00109"></a>00109                             <span class="keyword">delete</span> <a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a>;
<a name="l00110"></a>00110                         }
<a name="l00111"></a>00111                 }
<a name="l00112"></a>00112             <span class="keywordflow">else</span>
<a name="l00113"></a>00113                 {
<a name="l00114"></a>00114                     <span class="comment">/* - ETUndoElem::CREATE_ITEM type and expires in redo chain */</span>
<a name="l00115"></a>00115                     <span class="keywordflow">if</span> (<a class="code" href="class_e_t_undo_elem.html#aeacc52fe1dfcc769fd8f655845c1d989" title="tell if this item is ready to be undone">isRedoReady</a>())
<a name="l00116"></a>00116                         {
<a name="l00117"></a>00117                             <span class="keyword">delete</span> <a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a>;
<a name="l00118"></a>00118                         }
<a name="l00119"></a>00119                 }
<a name="l00120"></a>00120         }
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 <span class="comment">/* ========================================================================= */</span>
<a name="l00123"></a>00123 
<a name="l00124"></a>00124 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00125"></a><a class="code" href="class_e_t_u___create_it.html#a9b3fde5f892e156d33c1fe1233f3d62c">00125</a> <span class="keywordtype">void</span>            <a class="code" href="class_e_t_u___create_it.html#a9b3fde5f892e156d33c1fe1233f3d62c" title="perform the undo action">ETU_CreateIt::performUndo</a>   ( <span class="keywordtype">void</span> )
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127     <span class="keywordflow">if</span> (!<a class="code" href="class_e_t_undo_elem.html#ac212d9ce4e989e7ffcf9931c7006bbeb" title="tell if this item is ready to be undone">isUndoReady</a>())
<a name="l00128"></a>00128         {
<a name="l00129"></a>00129             qDebug() &lt;&lt; <span class="stringliteral">&quot;ETU_CreateIt::performUndo for an item in redo state:&quot;</span>
<a name="l00130"></a>00130                      &lt;&lt; <span class="keyword">this</span>;
<a name="l00131"></a>00131             <span class="keywordflow">return</span>;
<a name="l00132"></a>00132         }
<a name="l00133"></a>00133 
<a name="l00134"></a>00134     <span class="keywordflow">if</span> (<a class="code" href="class_e_t_u___create_it.html#a1554bc9f0dcf22c551445684aaeadcbc" title="tell if the item was created as a result of a create event or a delete">fromDelete</a>())
<a name="l00135"></a>00135         { <span class="comment">/* undo means to insert the item in the place it was before */</span>
<a name="l00136"></a>00136             <a class="code" href="class_e_t_u___create_it.html#ac260deef23063b3ea3447c91eb44e79f" title="associated sheet where actions are performed">sheet</a>-&gt;addItem(<a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a>);
<a name="l00137"></a>00137         }
<a name="l00138"></a>00138     <span class="keywordflow">else</span>
<a name="l00139"></a>00139         { <span class="comment">/* undo means to delete the item */</span>
<a name="l00140"></a>00140             <a class="code" href="class_e_t_u___create_it.html#ac260deef23063b3ea3447c91eb44e79f" title="associated sheet where actions are performed">sheet</a>-&gt;removeItem(<a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a>);
<a name="l00141"></a>00141         }
<a name="l00142"></a>00142 
<a name="l00143"></a>00143 
<a name="l00144"></a>00144     <a class="code" href="class_e_t_undo_elem.html#aee8ab685b6f0a91562a544275d4aaa29" title="marks this sub-item as being ready to be re-done">setRedoReady</a>();
<a name="l00145"></a>00145 
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 <span class="comment">/* ========================================================================= */</span>
<a name="l00148"></a>00148 
<a name="l00149"></a>00149 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00150"></a><a class="code" href="class_e_t_u___create_it.html#a3c51733beda158c8d686c762f3a19997">00150</a> <span class="keywordtype">void</span>            <a class="code" href="class_e_t_u___create_it.html#a3c51733beda158c8d686c762f3a19997" title="perform the redo action">ETU_CreateIt::performRedo</a>   ( <span class="keywordtype">void</span> )
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152     <span class="keywordflow">if</span> (!<a class="code" href="class_e_t_undo_elem.html#aeacc52fe1dfcc769fd8f655845c1d989" title="tell if this item is ready to be undone">isRedoReady</a>())
<a name="l00153"></a>00153         {
<a name="l00154"></a>00154             qDebug() &lt;&lt; <span class="stringliteral">&quot;ETU_CreateIt::performRedo for an item in undo state:&quot;</span>
<a name="l00155"></a>00155                      &lt;&lt; <span class="keyword">this</span>;
<a name="l00156"></a>00156             <span class="keywordflow">return</span>;
<a name="l00157"></a>00157         }
<a name="l00158"></a>00158 
<a name="l00159"></a>00159     <span class="keywordflow">if</span> (<a class="code" href="class_e_t_u___create_it.html#a1554bc9f0dcf22c551445684aaeadcbc" title="tell if the item was created as a result of a create event or a delete">fromDelete</a>())
<a name="l00160"></a>00160         { <span class="comment">/* redo means to delete the item */</span>
<a name="l00161"></a>00161             <a class="code" href="class_e_t_u___create_it.html#ac260deef23063b3ea3447c91eb44e79f" title="associated sheet where actions are performed">sheet</a>-&gt;removeItem(<a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a>);
<a name="l00162"></a>00162         }
<a name="l00163"></a>00163     <span class="keywordflow">else</span>
<a name="l00164"></a>00164         { <span class="comment">/* redo means to insert the item in the place it was before */</span>
<a name="l00165"></a>00165             <a class="code" href="class_e_t_u___create_it.html#ac260deef23063b3ea3447c91eb44e79f" title="associated sheet where actions are performed">sheet</a>-&gt;addItem(<a class="code" href="class_e_t_u___create_it.html#a5d21c1858892417e6581d0f8d1921134" title="the item that must be created / deleted">assoc_it</a>);
<a name="l00166"></a>00166         }
<a name="l00167"></a>00167 
<a name="l00168"></a>00168 
<a name="l00169"></a>00169     <a class="code" href="class_e_t_undo_elem.html#a32fafe9ce75f07f5cf88a550f21cc05e" title="marks this sub-item as being ready to be un-done">setUndoReady</a>();
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 <span class="comment">/* ========================================================================= */</span>
<a name="l00172"></a>00172 
<a name="l00173"></a>00173 
<a name="l00174"></a>00174 <span class="comment">/*  CLASS    =============================================================== */</span>
<a name="l00175"></a>00175 <span class="comment">//</span>
<a name="l00176"></a>00176 <span class="comment">//</span>
<a name="l00177"></a>00177 <span class="comment">//</span>
<a name="l00178"></a>00178 <span class="comment">//</span>
<a name="l00179"></a>00179 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00180"></a>00180 <span class="comment">/* ========================================================================= */</span>
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